Grow-Lab Construction - DESIGN

[hoosierdaddy]

Try not to take two duct runs into one fan.

When you build the cab, which you will have to do since they are in a box, you can configure the shelving and dividers to your wishing.
IMO, you are wasting valuable flowering room by using the whole cab for a veg box.
Using half of the cab for veg, like I do, will give you plenty of room to keep a few moms and seed or clone out far more than you can grow in the box you have in mind.
And T-5's are great, but a bit overkil, IMO, for a small veg. CFL's work a treat. I especially like the 26watt models in 6500k range.

 

[Dr.Funkenstein]

Try not to take two duct runs into one fan.

Why not? What is the purpose of this? It would make sense to me, that aslong as the intake was twice the size of the exaust, and the exaust box fan had the power to clear the entire room in 5 minutes, that it would be sufficient enough to pull air to cool the hood, as well as vent the room. Others have told me I should ditch the intake fan, aslong as I make sure I get a strong enough exaust fan, to create negative pressure. But at the same time, telling me it's good that I have a fan to push cool air thru the hood. So should I eliminate the intake fan, making sure I have a strong exaust fan, and add a smaller inline fan in the ducting to push cool air thru the hood.

Does air flow slow down when going thru the carbon scrubber? Does it weaken? Should I take this into account when sizing up my fans?

When you build the cab, which you will have to do since they are in a box, you can configure the shelving and dividers to your wishing.
IMO, you are wasting valuable flowering room by using the whole cab for a veg box.

But if I already have a 3x4x8 grow space set up for a Flowering area, why would I complicate things by having an extra Flowering Room, requiring different temperatures, lights, gauges. I'm planning on using a single 1000wHPS for my Flowering Room. If I made a seperate Flower Room, I'd need 2 of everything, when it came to production. I'm still very leary and unsure about things, when it comes to the electrical side of everything. I rent and live in and old home, and I'm pretty sure the wiring is old. I can't see myself expanding, until I fully understand how I'm going to safely, and securely install everything now.
Using half of the cab for veg, like I do, will give you plenty of room to keep a few moms and seed or clone out far more than you can grow in the box you have in mind.
Once rooted, how tall do you grow your clones in Veg?

And T-5's are great, but a bit overkil, IMO, for a small veg. CFL's work a treat. I especially like the 26watt models in 6500k range.
1.5'dX4wX6h isn't small. Or do you mean plant size? I figure this entire space for Mothers, Babies, and cuttings, would be plenty of space for them all comfortably, to grow as tall or small as I wish. To experiment in various sizings and methods later down the grow cycle or life-span. I'll definitely look into the 26watt, 6500k range CFLs. I'm looking for fast growth. When a lot of people are chosing to use MH for Vegging, there must be a reason behind it all.

Thanks for your input. As always, I'm interested in as much as you have to offer. Everyone has so many good ideas, but I feel like I'm in a tug of war.


Dr. Funkenstein

 

[hoosierdaddy]

The intake fan is a waste. Use it to cool your light. That air flow need not be scrubbed.

Anything at all that is added to the duct run restricts the flow. Especially a scrubber.

Different plants have different needs, but I like to veg till I get them about 3/4ths of the way around the pot w/lst. Or...when they look big enough to fill the space I put them in for flower. Or...when the next opportunity presents itself to put in a run.

Yeah, there is a reason for all things...including MH...but one must weigh his options.
I see a $4 bulb that can get my plants flower ready with nice tight nodes with no problems, vs a couple hundred dollar setup at least to do virtually the same.
If you grow out big plants, expect to flower out monsters.

 

[Dr.Funkenstein]

The intake fan is a waste. Use it to cool your light. That air flow need not be scrubbed.

Everyone is giving me crap about that intake fan. But they also raise good points that I may need something like that if I have temperature issues, which I understand is common with a 1000wHPS in such a small, unventilated place. The temperatures fluctuate a lot where I live, and I want to be prepared. Is it possible to have this system installed and ready to go for such emergencies, and to bypass it when not needed?

So could I keep the ducting rig the way I have it now, place an inline fan in the ducting, that attaches to the top port of the intake "fan box", which main purpose is to blow cool, clean air to the hood? Will this leave the negative pressure alone, if I have the proper exaust fan?

Anything at all that is added to the duct run restricts the flow. Especially a scrubber.

Yes, so how do I calculate all of this, with the ducting included. I heard this is the reason for keeping ducting short, and with limited sharp turns which is how I have it set up now. I've seen vegetable hydroponic diagrams made by some company, and they had their "good example" very similar to mine. The only line that seems to bend the most would be the hood line, which is why I felt a fan near the intake, which could be used as an intake fan when temp emergencies crop up, and as a fan that forces air along the ducting to cool the hood, and help the pull of the exaust fan. What do you think?

Different plants have different needs, but I like to veg till I get them about 3/4ths of the way around the pot w/lst. Or...when they look big enough to fill the space I put them in for flower. Or...when the next opportunity presents itself to put in a run.

Yeah, there is a reason for all things...including MH...but one must weigh his options.
I see a $4 bulb that can get my plants flower ready with nice tight nodes with no problems, vs a couple hundred dollar setup at least to do virtually the same.
If you grow out big plants, expect to flower out monsters.

Good point.

Thanks man!
Dr. Funkenstein

 

[hoosierdaddy]

There are links and links that cover just about every one of your questions.
The best ones to read are those that help you actually understand what is going on, so you won't have to feel so torn all the time. The only reason you feel that way, is because you don't know. You need to know if you want to be successful. Especially such an ambitious grow in a rented joint. No way would I attempt more than a pc case grow in a rented crib.

Start out with understanding the dynamics behind air flow. Once you have a grasp of that concept, then you will know why the intake fan issue should have been put to rest a long time ago. Many of these things you will know, once you invest the time to find out.
Weed growers are a more schooled lot than many would think. And just like anything else, those who study the most, and put in the most time and investment, come out on top in the long run. Those who get spoon fed really never learn the sport, and never really have full appreciation of it.

 

[Dr.Funkenstein]

There are links and links that cover just about every one of your questions.

No, there aren't any links that provide an answer for this specific question. Most of everything I've asked, I've already spent time researching. I decided to join up with these forums, and interact, hopefully to get a more experienced perspective. Not a generalized rule of thumb, which does not include the many variables that accompany varying grow designs.


The best ones to read are those that help you actually understand what is going on, so you won't have to feel so torn all the time. The only reason you feel that way, is because you don't know. You need to know if you want to be successful. Especially such an ambitious grow in a rented joint. No way would I attempt more than a pc case grow in a rented crib.

Start out with understanding the dynamics behind air flow. Once you have a grasp of that concept, then you will know why the intake fan issue should have been put to rest a long time ago. Many of these things you will know, once you invest the time to find out.

Yes, I understand how air-flow works. From the minute I was told about "Negative Pressure", I jumped into learning even more, and made many adjustments to my original design. I guess the reason why you find me here asking such basic questions, is because I'm trying to get someone to confirm what I already know and to point out anything I may have overlooked, which they mightve learned from experience. Kind of like a checklist based on experience. Dont think I dont appreciate it, either! As you know, my air-flow question is in direct relation to temperature issues that would accompany a 1000wHPS light. Only someone who has used these kind of lights would be able to tell me how bad the heat will build, that would require extreme ventilation.

Weed growers are a more schooled lot than many would think. And just like anything else, those who study the most, and put in the most time and investment, come out on top in the long run. Those who get spoon fed really never learn the sport, and never really have full appreciation of it.

That was mighty rude. I know where you were going with that, and I do not like it. lol I've spent almost 6 months researching this. Majority of it, I've already had together. As I said earlier, I come here to get perspective, from experienced growers. People who can spot flaws in my knowledge. As you will notice, each time I come back to reply, I've accumulated 10x's more info as the posts continue. I'm using you guys for experienced input, from the frontlines, while cross referencing everything said on the WORLD WIDE WEB, as well as with other forum users.

So if what I've come to know, is all book science, and the main thing that has caused me this frustration, is getting varying points of views from experienced growers on multiple forums, which of course, I'm only using to improve upon my own knowledge, that would indicate to me that the input I'm getting is not based on anything "TEXT BOOK" Because YOU ALL have different views on how things should work. So please forgive me if any of this has come off as needy, or too much to stomach. I just found your comment about growers who were "spoon fed" never learned anything, extremely unwarranted.

Like I said, I know what I know, and I come to these forums to exchange ideas, and to compare POV to achieve the best results. If you honestly have an issue with offering your to help solve my problems, then please do not hesitate to hesitate.

Theres my ....What do you think?


Dr. Funkenstein

 

[hoosierdaddy]

I didn't think I was rude one bit. I was merely pointing out the obvious.
And yes, each and every question you have posed has been answered in spades here.
Let me give you another bit of advise...instead of trying to have us believe you have researched this issue for 6 months, and only asking questions to confirm what you claim to already know...Ask the questions, and THEN confirm what you discern to be good answers bu doing the research. If you truly knew these things already, you would need no confirmation from the questionable, you'd have the straight skinny already.

If you have any more airflow questions directly for me, you can get my confirmation from reading my air flow thread. If mine isn't enough for you, try reading redgreenery's.

Enjoy yourself. And try not to be such a bitch to those who go out of their way and spend time trying to help you. Others may not want to be treated the same way, and will pass you over like a wilted clone.

 

[Dr.Funkenstein]

The Wilted Clone That Could...

The Wilted Clone That Could...

I didn't think I was rude one bit. I was merely pointing out the obvious.
And yes, each and every question you have posed has been answered in spades here.

After hearing out your arguement, I went to the FAQs of this site, and no, none of my "SPECIFIC" questions were answered. I knew the hot air rises, I knew I needed an intake on the opposite side of the exhaust, which would be larger than the exhaust by 3 times. Everything listed is pretty much common knowledge. I was posting designs, for the best way to construct my grow space.



Let me give you another bit of advise...instead of trying to have us believe you have researched this issue for 6 months
Haha! Dude, I have, and when determining your remarks, you forget to add the fact that you do not know how much time is spent on what?Remember, there is a lot to consider when determing whether or not you have the capacity to take up such a hobby. Besides, there is a lot to this hobby. I wasn't simply spending 6 months on ventilation issues, bro. lol (You're honestly worse than a highschool teenaged girl) "OMG, NO HE DIDNT! :O" -You.

, and only asking questions to confirm what you claim to already know...Ask the questions, and THEN confirm what you discern to be good answers bu doing the research.

I did this many times. Which is why I got so offended by your "spoon fed" comment. This, infact is all I've been doing. It's all a bit funny too, since most people who comment don't even read the damn threads they are replying to in full. Forcing me to repeat myself over and over. And considering everything I've been getting is all conflicting advice from random growers, some who have just started not too long ago, I don't see why me asking questions is even a problem. After all, each and everyone one of you was once new here at some time or another. I've seen many threads started by "newbs" with way less information, as newbs, and have received a much warmer response/welcome, surprisingly enough.

I came armed with much more than this, and yes everything seemed to be on the up and up. But like I said, ever since I corrected you on my spacing issues, your text has gotten a bit cold, and you started in with the name calling, which I found offensive. My apologies. No one is stepping on anyone's toes. Just looking for solutions.



If you truly knew these things already, you would need no confirmation from the questionable, you'd have the straight skinny already.

I do. As usuall, I always get my ideas from bouncing new information off of others. This is a good place for me to do so, as this topic is some what taboo in mainstream society, as I'm sure you can appreciate this.

If you have any more airflow questions directly for me, you can get my confirmation from reading my air flow thread. If mine isn't enough for you, try reading redgreenery's.

Thanks for the tip! You know I will, man.

Enjoy yourself. And try not to be such a bitch to those who go out of their way and spend time trying to help you. Others may not want to be treated the same way, and will pass you over like a wilted clone.

As I said in the previous post. It would seem that ever since I corrected you about my spacing issue, you have become somewhat offended and have been taking an aggressive stance with me, ever since. Deny this all you want, but your tone has changed immensely from overly helpful to a complete 180 degree turn to bittertown where control freaks dwell. Haha.

If you were honestly as noble as you would like me to believe, I doubt you would've called me a "bitch". You get what you give, man.

"Others may not want to be treated the same way, and will pass you over like a wilted clone." Haha! What ignorance? Where did I treat you poorly? I voiced my opinion for your rude name calling on a public forum for n00bs and experienced growers alike, ans asked that if you honestly had a problem with offering your help, to save yourself trouble and refrain from doing so. Now you're telling me to practice what you preach, yet refuse to follow? Comedy. True story. The end. lol

Seriously man, I was running the same exact thread on a number of forums, at the same time, looking for whatever feedback I could accumulate. Everything I would contribute over the course of this thread, would be everything I've gathered from other posters, from other forums, from the same thread. Comparing everything one "expert" knew, to the other. So in other words, everything you saw were all the ideas that were contributed being relayed back and forth.

In the end, I, MYSELF, decided the best option when constructing my grow space. BASED ON THE KNOWLEDGE I HAD BEFORE SIGNING UP WITH ANY FORUM. So, thanks for the observations. Ever notice how many people reply to posts, without ever really reading the damn things?


Hopefully you can find it in your pants to let this flame die out. So we can all focus on why we are here, together. Maybe I will have something beneficial to contribute to your projects one day. I hope.

Have a Happy Easter! Take care.


Dr.Funkenstein

 

[hoosierdaddy]

I knew the hot air rises, I knew I needed an intake on the opposite side of the exhaust, which would be larger than the exhaust by 3 times. Everything listed is pretty much common knowledge. I was posting designs, for the best way to construct my grow space.

Wow, I didn't realize that you really did have it all figured out.
(good grief)
Have a good life, pal.